WO2014007704A1 - Mesures de force pour évaluer la présence ou la quantité d'éléments dans une chaîne de fabrication pour produits d'hygiène - Google Patents

Mesures de force pour évaluer la présence ou la quantité d'éléments dans une chaîne de fabrication pour produits d'hygiène Download PDF

Info

Publication number
WO2014007704A1
WO2014007704A1 PCT/SE2012/050789 SE2012050789W WO2014007704A1 WO 2014007704 A1 WO2014007704 A1 WO 2014007704A1 SE 2012050789 W SE2012050789 W SE 2012050789W WO 2014007704 A1 WO2014007704 A1 WO 2014007704A1
Authority
WO
WIPO (PCT)
Prior art keywords
nip
components
force
component
accordance
Prior art date
Application number
PCT/SE2012/050789
Other languages
English (en)
Inventor
Per Floberg
Original Assignee
Sca Hygiene Products Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sca Hygiene Products Ab filed Critical Sca Hygiene Products Ab
Priority to PCT/SE2012/050789 priority Critical patent/WO2014007704A1/fr
Publication of WO2014007704A1 publication Critical patent/WO2014007704A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B41/00—Arrangements for controlling or monitoring lamination processes; Safety arrangements
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15772—Control
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/15577—Apparatus or processes for manufacturing
    • A61F13/15804—Plant, e.g. involving several steps
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0061—Force sensors associated with industrial machines or actuators
    • G01L5/0076—Force sensors associated with manufacturing machines
    • G01L5/0085—Force sensors adapted for insertion between cooperating machine elements, e.g. for measuring the nip force between rollers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2555/00—Personal care
    • B32B2555/02—Diapers or napkins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives

Definitions

  • the present invention relates to a method for evaluating components in manufacturing line for hygiene products, particularly diapers. Moreover, the invention relates to an apparatus for assembly of at least two components in hygiene product, particularly a diaper.
  • one such assembling step may comprise the fastening of a tab onto a rear wing material for a diaper.
  • the tab may be fastened to the rear wing material using a fastening component sueh as an adhesive.
  • the tab may be arranged in a superposed relationship to the rear wing material, with an amount of adhesive present in between the ta and the rear wing material.
  • the tab and rear wing material with the adhesive in between may be fed through a nip formed between two rollers, whereby pressure is applied to the components such that the tab is assembled with the rear wing material.
  • the term "component” is intended to comprise components made of solid materials such as top sheet materials, back sheet matenals, tabs, wings, inlays etc. used in th art.
  • the term is also to encompass fastening components having as primary purpose to connect other components to each other.
  • Such fastening components could be in a viscous state, such as adhesives.
  • Other fastening components could include a solid component, such as adhesive tape fasteners, or mechanical fasteners such as hook and loop fasteners.
  • At least two components to be assembled in a superposed relationship are fed through a nip for assembly of said components, said nip being formed between a first and a second roller.
  • the force in the nip between the first and second rollers is measured during passage of the two components. The measured force is used for evaluating at least one of the two components passed through the nip.
  • the force in said nip will vary depending on the components passed therethrough.
  • the individual forces measured in the nip during passage of the individual arrangements shall be approximately the same (provided of course that the nominal force applied to the first and second rollers is constant as is conventional during a manufacturing process).
  • this will be reflected in the force measured in the nip deviating from the force measured under perfect
  • the measurement of the force in the nip may be accomplished using relatively simple sensors, which are applied to the already existing equipment for assembling the two components. Accordingly, it may be realised in a simple and inexpensive manner, and without any substantial additions to the space required to house the equipment
  • the method may comprise;
  • the method may comprise measuring the force in the nip for a number of passages of first and second components through the nip so as to obtain an assembly of force values;
  • the assembly of values may be used in any convenient form, e.g. by forming a mean value thereof.
  • the method may comprise measuring the force in the nip for a number of passages corresponding to at least one full rotation of said rollers. In this case, any deviations in the force in the nip resulting from possible irregularities in the rollers may be compensated for.
  • the force measured in the nip during passage of the at least two components may be used for various types of evaluations.
  • the evaluation may comprise determining the presence or absence of at least one of said two components. Absence of one of the two components would result in a relatively large deviation from the "normal" force.
  • the evaluation may comprise determining the amount of at least one of said two components using said force in the nip during passage of the components. This is most relevant for components which may be present in various amounts, such as an adhesive.
  • the evaluation may comprise using said measured force for evaluating the state of at least one of the first and second rollers.
  • Fo ail of the above-mentioned evaluations the skilled person will understand that it is suitable to first determine the force in the nip under normal circumstances, that is with all components present in a pre-deterrrtined amount.
  • a number of samples may be created during controlled circumstances, for example manually.
  • the controlled samples are fed through the nip, and the force in the nip is measured during passage of the controlled samples, so as to obtain reference values reflecting norma! components.
  • new controlled samples depicting various errors, may also be created and the force through the nip measured. For example, the effect of a component missing could be measured, or the effect of a faulty amount of a component.
  • a person skilled in the art may create reference values reflecting various errors.
  • the force in the nip may then be measured for each set of components passing therethrough during manufacturing of absorbent products.
  • deviations in the force measured in the nip may be classified as being cause by the various errors previousl tested, and appropriate measures may be taken to correct the manufacturing line.
  • the method may comprise arranging a third component in a superposed relationship to said first and second components, and using the measured force in the nip for evaluating at least one of the three components passed through the nip, preferably for evaluating a component being positioned intermediate the others.
  • One advantage with the proposed method is precisely that it enables evaluation of a component that lies hidden between two other components during a manufacturing step.
  • At least one of said components is provided as a continuous material web being continuously fed through said nip.
  • Such materials could be any materials used in hygienic products such as baoksheet materials, topsheet materials, etc.
  • At least one of said components is provided as a material piece, such that material pieces are intermittently fed through the nip for in-line manufacture of hygienic products.
  • material pieces are intermittently fed through the nip for in-line manufacture of hygienic products.
  • each intermittent material piece will be reflected by said measurements.
  • At least one of said components is a fastening component, preferably an adhesive.
  • the present method has the advantage of enabling measurement for example of the amount of adhesive present between two other components.
  • the method is hence particularly advantageous when the first component is a continuous material web, said second component is a material piece, and a third component being the fastening component is arranged between said first and second components.
  • the force measured in the nip is used to evaluate the fastening component, preferably, when the fastening component is an adhesive, to evaluate the amount of adhesive present between the first and the second component during passage through the nip.
  • the proposed method is advantageous in the situation mentioned in the introduction, when said first material is a rear wing material for a diaper, said second material is a tab for a diaper, and said third material is an adhesive arranged between said rear wing material and said tab,
  • said first and second rollers are arranged in first and second support structures, respectively, and the force between said first and second support structures is measured for calculating said force in the nip during passage of the first and second components. Measuring the force between the support structures is a convenient way of obtaining a measure for calculating the force in the nip.
  • a nominal force is applied to said first and/or second support structure, urging the first and second support structures together so as to create a pressure in said nip, and the nominal forc is measured for calculating said force in the gap during passage of the first and second components.
  • the nominal force would be approximately constant.
  • a reference value of the force in said nip is obtained using referenc components prior to performing the method in a manufacturing line, said reference value being used in said evaluation of the first and second components.
  • an indication is presented to an operator of the manufacturing line.
  • This indication could be of any suitable kind, such as a visual or audible alarm.
  • certain errors could cause the manufacturing line to automatioaily stop until the cause of the error is removed.
  • a first and a second roller being arranged with a predetermined distance to each other so as to form a nip for passage and assembly of said at least two components
  • a sensor is arranged for providing a measure relating to the force in said nip during passage of the two components thereto
  • a processor unit is arranged to which said measure is fed, and the measure is used for evaluating at least one of th two
  • said apparatus comprises a first and a second support structure, for rotatab!y supporting said first and second roller, respectively, and said sensor being arranged for measuring the force between said first and second support structures during passage of the at least two components through the nip,
  • the apparatus comprises a pressure application device for applying a nominal force to said first and/or second support structure, urging the first and second support structures together so as to create a pressure in said nip, wherein said nominal force is fed to the processor unit for use in calculating the force in said nip.
  • the nominal force required is depending on the present situation, e.g. the type of components to be
  • the nominal force may be at least 5 kN, preferably at least 10 kN.
  • the senor may be is adapted to detect forces in the range 0-20 kN, preferably 5- 25 20 kN .
  • Such forces are generally of a size being relevant for said evaluation in a ni for assembly of components in a manufacturing line for hygienic products.
  • the sensor may advantageously be a load cell.
  • the rollers are metal rollers, preferably steel rollers.
  • the flexibility of the rollers may be selected depending on the requirements of the components to be assembled.
  • the behaviour of the rollers in the nip should be relatively stable.
  • the necessary precautions for this may be taken by the person skilled in 35 the art by avoiding such conditions that could possibly create variations diminishing the precision of the force measurements, e g. very flexible rollers, or very thin rollers.
  • the suspension of the rollers could preferably be substantially inflexible.
  • the first roller is flat and the second roller is patterned.
  • the rollers may be heatabie for forming a thermomechanical nip.
  • the apparatus comprises first and second supports structures, and
  • Said first and second support structure each support the first or second roller on the two lateral sides of said roller
  • a senso is arranged for measuring the force between said first and second support structures on both said lateral sides .of the rollers, the measured force from both sensors being fed to the processor unit.
  • the nominal pressure applied to the first and/or second support structure is fed to the processor unit, for forming a difference between the nominal pressure and the force measured by the sensor between the first and second support structures, saidG difference corresponding to the force between the first roller and the second roller in th nip.
  • a force measured in the nip between a first and a second roller during the passage of at least two components5 through said nip, for evaluating said components in a manufacturing line for hygienic products.
  • FIGs 1 and 2 schematically illustrate an embodiment of an apparatus for performing a method in accordance with the invention
  • Fig. 3 schematically illustrates an example of superposed components to be assembled in accordance with the invention
  • Fig. 4 schematically illustrates another example of superposed components to be assembled in accordance with the invention
  • Fig. 5. is an example of the force between support structures during passage of a series of superposed components through the nip.
  • Fig. 6 is an example of the force in the nip as dependent on the amount of adhesive between a first and a second component being assembled in the nip.
  • Figs 1 and 2 illustrate a embodiment of an apparatus for carrying out a method in accordance with the invention.
  • the apparatus comprises a first roller R1 and a second rolle R2 being arranged with a predetermine distance to each other, and hence forming a nip for passage of components to be assembled.
  • first and second rollers R1 and R2 are ratably arranged in a first support structure S1 and a second support structure S2, respectively.
  • a conveyor 5 is arranged to pass through said nip, and for supporting a number or superposed components 4 to be assembled in the nip.
  • the force F in the nip between the first and second rollers R1 and R2 is to be measured for evaluation of at least one of the components passed through the nip.
  • the force F2 between the support structures ST and S2 and the nominal force F1 , in thi case applied to the first support structure ST, is measured.
  • the force F2 between the first and second support structures 81 and S2 may suitably be measured using a sensor, in this case a force transducer, arranged betwee said support structures S1 and S2.
  • the sensor could be arranged in mechanical stops provided between the support structures.
  • the nomina! force F1 may be selected depending on the requirements of the particular components. For example, when assembling a rear wing material to a tab using an adhesive, the nominal force F1 might be about 6 Bar.
  • the selection of rollers R1 and R2 may likewise be made depending on the requirements of the particular situation. Good results have been obtained using combinations of a patterned roller and a smooth roller, and with various patterns of said patterned roller.
  • the rollers could advantageously be heated so as to form a thermomechanical nip.
  • the superposed components 4 to be assembled should comprise at least a first and a second component.
  • Fig. 3 illustrates an example where a first component 1 , a second component 2 and a third component 3 is to be assembled.
  • the first component 1 and the second component 2 are both separate pieces of material, whereas the third component 3 is positioned in between the first and the second component 2 and comprises a viscous material, namely an adhesive.
  • FIG. 4 Another example is illustrated in Fig. 4, where the second component 2 comprises a continuous piece of material, instead of a separate piece of material.
  • the nominal force F1 and the force measured between the support structures S1 and S2 are fed to a processor unit where the force F in the nip is calculated and used for evaluation of at least the first and/or second component.
  • the forces could advantageously be measured with a suitable measuring frequency during passage of the components through the nip.
  • a measuring frequency could be about 100 Hz, which gives a number of measured values during the passage of the components through the nip. Th relevant forces may then be calculated as a mean valu of the sample measurements.
  • the method may comprise continuously measuring the force in the nip during passage of the first and second components, so as to obtain maximum force value in the nip created during passage of the first and second components, and a minimum force value in the nip created before and/or after passage of the first second components.
  • the term "continuously” herein need not be taken literally, but could typically include performing measurements with a suitable measuring frequency as outlined in the above.
  • the maximum and minimum force values may advantageously be used to form a differential value, which in turn may be used for evaluating at least one of the
  • Fig. 5 illustrate the force F2 measured between the support structures S1 and S2 during passage of a number of assemblies including several components, in this case a tab, a rearwing material and an adhesive in between.
  • Each down peak in the diagram corresponds to a tab that goes through the nip.
  • a missing down peak will correspond to a missing tab in the manufacturing lines.
  • the presence or absence of a peak in the force curve may be used to evaluate the presence or absence of a component in the manufacturing line.
  • the method may comprise measuring the force in th nip for a number of passages of first and second components through the ni so as to obtain an assembly of force values; and to evaluate at least one of the two components during said number of passages using said assembly of feree values, as mentioned in the above.
  • a mean value running over a selected number of passages may be used. The deviation of the mean value from predetermined limits may correspond to the continued absence of a component.
  • Fig. 8 illustrates an example of the force in the nip F with different amounts of adhesive (measured in gsm) present between a tab and a rear wing material. A curve is formed where a certain amount of adhesive corresponds to a force measured in the nip.
  • the force measured in the nip may be used to evaluate the amount of adhesive present between the tab and the rearwing material Parameters which could influence the measurement is the speed of the rollers, the size of the gap, and the materials of the components. All these parameters should be kept constant for the measurements to turn out correctly, and if any parameter is changed, new reference values for the force measurements should be performed. Moreover, wear or other irregularities in the rollers may be reflected in the force measurements, and eouid be analysed and compensated for, if necessary. For example, all noncircular wear will caus a periodic pattern in the force curves. To this end, the method may comprise measuring the force in the nip for a number of passages corresponding to at least one full rotation of the rollers. This is particularly advantageous for eliminating any effect of irregularities in the rollers to the

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Manufacturing & Machinery (AREA)
  • Epidemiology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Botany (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

La présente invention porte sur un procédé pour évaluer des éléments dans une chaîne de fabrication pour produits d'hygiène, en particulier des couches-culottes, lequel procédé met en œuvre, pour chaque produit : - la disposition d'un premier élément (1) et d'un second élément (2) destinés à être assemblés dans une relation superposée, - l'acheminement dudit premier élément (1) et dudit second élément (2) à travers un point de pinçage pour l'assemblage dudit élément, le point de pinçage étant formé entre un premier et un second rouleau (R1, R2) qui sont disposés avec une distance prédéterminée l'un par rapport à l'autre, - la mesure de la force (F) dans le point de pinçage entre lesdits premier et second rouleaux (R1, R2) pendant le passage des premier et second éléments (1, 2) à travers le point de pinçage, - l'utilisation de ladite force mesurée (F) pour évaluer au moins l'un des deux éléments (1, 2) qui sont passés à travers le point de pinçage.
PCT/SE2012/050789 2012-07-05 2012-07-05 Mesures de force pour évaluer la présence ou la quantité d'éléments dans une chaîne de fabrication pour produits d'hygiène WO2014007704A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/SE2012/050789 WO2014007704A1 (fr) 2012-07-05 2012-07-05 Mesures de force pour évaluer la présence ou la quantité d'éléments dans une chaîne de fabrication pour produits d'hygiène

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2012/050789 WO2014007704A1 (fr) 2012-07-05 2012-07-05 Mesures de force pour évaluer la présence ou la quantité d'éléments dans une chaîne de fabrication pour produits d'hygiène

Publications (1)

Publication Number Publication Date
WO2014007704A1 true WO2014007704A1 (fr) 2014-01-09

Family

ID=49882328

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE2012/050789 WO2014007704A1 (fr) 2012-07-05 2012-07-05 Mesures de force pour évaluer la présence ou la quantité d'éléments dans une chaîne de fabrication pour produits d'hygiène

Country Status (1)

Country Link
WO (1) WO2014007704A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015108471A1 (fr) * 2014-01-20 2015-07-23 Nip Control Ab Unité de calibrage pour jauge à ligne de contact

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5821433A (en) * 1997-06-10 1998-10-13 Breed Automotive Technology, Inc. Thin tactile sensors for nip width measurement
US20030051802A1 (en) * 2001-09-17 2003-03-20 The Procter & Gamble Company Method for manufacturing shaped components from web materials
US20030169904A1 (en) * 2002-03-09 2003-09-11 Kimberly-Clark Worldwide, Inc. Apparatus and method for making and inspecting pre-fastened articles
US20040030432A1 (en) * 2002-08-07 2004-02-12 Popp Robert L. Autosetpoint registration control system and method associated with a web converting manufacturing process
WO2006075056A1 (fr) * 2005-01-17 2006-07-20 Metso Paper, Inc. Mesure en ligne pour profil de pression
US20080191719A1 (en) * 2005-04-06 2008-08-14 Krier S.A. Device And Method For Measuring The Width Of Touch Between Rollers
US20100181007A1 (en) * 2009-03-02 2010-07-22 Unicharm Corporation Conveyor and method of manufacturing absorbent article

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5821433A (en) * 1997-06-10 1998-10-13 Breed Automotive Technology, Inc. Thin tactile sensors for nip width measurement
US20030051802A1 (en) * 2001-09-17 2003-03-20 The Procter & Gamble Company Method for manufacturing shaped components from web materials
US20030169904A1 (en) * 2002-03-09 2003-09-11 Kimberly-Clark Worldwide, Inc. Apparatus and method for making and inspecting pre-fastened articles
US20040030432A1 (en) * 2002-08-07 2004-02-12 Popp Robert L. Autosetpoint registration control system and method associated with a web converting manufacturing process
WO2006075056A1 (fr) * 2005-01-17 2006-07-20 Metso Paper, Inc. Mesure en ligne pour profil de pression
US20080191719A1 (en) * 2005-04-06 2008-08-14 Krier S.A. Device And Method For Measuring The Width Of Touch Between Rollers
US20100181007A1 (en) * 2009-03-02 2010-07-22 Unicharm Corporation Conveyor and method of manufacturing absorbent article

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015108471A1 (fr) * 2014-01-20 2015-07-23 Nip Control Ab Unité de calibrage pour jauge à ligne de contact
US9983086B2 (en) 2014-01-20 2018-05-29 Nip Control Ab Calibration unit for a roller nip gauge

Similar Documents

Publication Publication Date Title
DE112014002353B4 (de) Vorrichtung zum Messen eines Kontaktzustandes einer Tragrolle eines Förderbandes
CN105312329B (zh) 一种对冷连轧机测厚仪状态进行自动监控的方法
FI86222C (fi) Maetanordning foer presszonsbredden mellan en rulle av en materialbana och en mot rullen tryckt vals, samt foerfarande foer rullning av en materialbana.
CN207375436U (zh) 一种卷材纠偏装置
JP2009046798A5 (fr)
US20090288765A1 (en) Methods for the Manufacture of Fastener Tabs
RU2668838C1 (ru) Контроль стержней для нанесения покрытий и зон контакта стержней для нанесения покрытий
CA2670538A1 (fr) Methode et appareillage de mesure de la planarite d'un ruban
WO2014007704A1 (fr) Mesures de force pour évaluer la présence ou la quantité d'éléments dans une chaîne de fabrication pour produits d'hygiène
EP1718174A1 (fr) Determination d'une quantite de colle
BR112013025252B1 (pt) método e dispositivo para detectar parâmetros de uma trama de material transversal ou circular em uma máquina de processamento de material e uso do método
JP5467517B2 (ja) 放射線測定装置
FI108884B (fi) Menetelmä ja laitteisto paperin paksuuden mittaamiseksi
DE112008001097B4 (de) Blutdruckmessvorrichtung zur Messung eines Blutdrucks bei getragener Kleidung
US20190175421A1 (en) Method for measuring absorbent hygiene products
FI116582B (fi) Menetelmä paperin kimmomoduulin määrittämiseksi
CN106540969B (zh) 补偿板形辊挠曲的信号修正方法
JP5131010B2 (ja) 連続溶融金属メッキシステム及びメッキ方法
EP0416275B1 (fr) Dispositif de mesure de déformation fixé sur une pièce de machine allongée, en particulier la poutre de raclage d'un dispositif de couchage
KR20130049469A (ko) 실시간 압연시트 두께 측정장치
US4562730A (en) Method and apparatus for dynamic balance detection of a calender strip
JPH04503976A (ja) 多層不織ファブリックからなるウエブの製造の間に発生する位置の誤差を検出し、補正する方法
FI129964B (en) METHOD AND APPARATUS FOR ESTIMATING THE OPERATION OF AN INDUSTRIAL ROLL AND/OR A FELT
WO2023199721A1 (fr) Dispositif de production pour article absorbant, procédé de production pour article absorbant et programme
JP3617791B2 (ja) 張力測定装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 12880369

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 12880369

Country of ref document: EP

Kind code of ref document: A1